EP 1388557 A2 20040211 - Wrinkled polyester particles
Title (en)
Wrinkled polyester particles
Title (de)
Gefurchte Polyester-Teilchen
Title (fr)
Particules de polyester froncées
Publication
Application
Priority
US 20834402 A 20020730
Abstract (en)
The present invention comprises wrinkled polymer particle comprising a polyester-containing particle having a surface covered with at least one wrinkle comprising folds, ridges, crevices and channels. The present invention further comprises a method of forming wrinkled polyester-containing particles comprising preparing a mixture of an organic phase and an aqueous phase, said mixture comprising an unsaturated precursor polyester, a water immiscible organic solvent, at least one organic-soluble ethylenically unsaturated monomer, and initiator, subjecting said mixture to high energy emulsification, initiating crosslinking of said polyester after emulsification, and removing said water immiscible organic solvent to recover wrinkled polyester-containing particles. <IMAGE>
IPC 1-7
IPC 8 full level
B41J 2/01 (2006.01); B41M 5/00 (2006.01); B41M 5/50 (2006.01); B41M 5/52 (2006.01); C08F 283/01 (2006.01); C08J 3/12 (2006.01)
CPC (source: EP US)
C08J 3/12 (2013.01 - EP US); C08J 2367/06 (2013.01 - EP US); Y10T 428/2982 (2015.01 - EP US)
Designated contracting state (EPC)
GB
DOCDB simple family (publication)
EP 1388557 A2 20040211; EP 1388557 A3 20040414; CN 1475529 A 20040218; JP 2004106517 A 20040408; US 2004023027 A1 20040205; US 7128972 B2 20061031
DOCDB simple family (application)
EP 03077345 A 20030725; CN 03143697 A 20030730; JP 2003203822 A 20030730; US 20834402 A 20020730